The last step will create a new section called "Your Access Token".
go to twitter :“dev.twitter.com” > “Sign in / up” > select “Create App”.
there , you have to add appName, Description, Website. if you dont have website, give a sample website name , example: https://www.google2.co.in.
call back URL is optional.
you can get api key, api secret values.
again in that page you have to click one more button "create access token", then you will get access token and access token secrets as well.